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Finding the Fourth Proportional to 365,286.67, 547,928.62 and 99,046.44

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Solution

The fourth proportional to 365,286.67, 547,928.62 and 99,046.44 is: 148,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,286.67 : 547,928.62 = 99,046.44 : x
  2. Step 2: Convert to fraction form
    365,286.67/547,928.62 = 99,046.44/x
  3. Step 3: Cross multiply
    365,286.67x = 547,928.62 × 99,046.44
  4. Step 4: Simplify right side
    365,286.67x = 54,270,378,937.50
  5. Step 5: Solve for x
    x = 54,270,378,937.50/365,286.67
  6. Step 6: Final answer
    x = 148,569.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.